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kirza4 [7]
3 years ago
15

F(x) = 4x - 9 step by step and put the right anwser so I can read it

Mathematics
1 answer:
butalik [34]3 years ago
7 0
<h2>f = -5</h2><h3></h3><h3>f(x) = 4x - 9</h3><h3>Add 9 to both sides</h3><h3>f(x) + 9 = 4x</h3><h3>Divide x from both sides</h3><h3>f + 9 = 4</h3><h3>Subtract 9 from both sides</h3><h3>f = -5</h3><h3></h3><h3><em>Please let me know if I am wrong.</em></h3>
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Roberto wants to display his 18 sports cards in an album . Some pages hold 2 cards and others hold 3 cards .
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Answer:

Step-by-step explanation:

Assuming Roberto wants to completely fill each page that he puts cards in, this function describes the number of 2-card pages, a, and 3-card pages, b.

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Ricardo can fill up 9 2-card pages, and 6 3-card pages.

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We must add 2 3-card pages at a time,so that we have an even number for the 2-card pages:

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Add 2 to b once more:

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One more time:

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Thus, Ricardo can display his figures in the following page combinations:

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Remember that a= number of 2-card pages and b=number of 3-card pages

There are 4 different ways that Ricardo can arrange his figures in terms of what kind of pages he uses. 

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